A facile method for the preparation of both 2-pyrrolidinyl-substituted phosphinic acids and 1-aminoalkylphosphinic acids is described. Reaction of 1-pyrroline trimer or N-tritylalkanamine with bis(trimethylsilyl)phosphonite, followed by silylation with N,O-bis(trimethylsilyl)acetamide gives an intermediate which is used in a Michael addition reaction or an Arbuzov reaction.
本文介绍了一种制备 2-
吡咯烷基取代的
膦酸和 1-
氨基烷基
膦酸的简便方法。先将 1-
吡咯啉三聚体或 N-三苯甲基烷胺与双(三甲基
硅基)
亚磷酸反应,然后用 N,O-双(三甲基
硅基)乙酰胺进行
硅烷化反应,得到一种中间体,可用于迈克尔加成反应或阿尔布佐夫反应。